CN105849467B - Indoor apparatus of air conditioner - Google Patents
Indoor apparatus of air conditioner Download PDFInfo
- Publication number
- CN105849467B CN105849467B CN201480070842.2A CN201480070842A CN105849467B CN 105849467 B CN105849467 B CN 105849467B CN 201480070842 A CN201480070842 A CN 201480070842A CN 105849467 B CN105849467 B CN 105849467B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- fan
- straight line
- cross flow
- fans
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/422—Discharge tongues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
In order to have surge endurance and energy saving concurrently, in wall-mounted indoor apparatus of air conditioner, stabilizer (17), rear guider (18) and cross flow fan (30) are configured to so：Fan reference horizontal line (L1) and references angle (θ 0) formed by vortex datum line (L2), the 1st straight line (SL1) that the face side closest approach (P7) of stabilizer (17) and fan center point (O) are linked up and the 1st angle (θ a) formed by fan reference horizontal line (L1), the 2nd straight line (SL2) that the rear side closest approach (P8) of rear guider (18) and fan center point (O) are linked up meets (θ a- θ 0) 16 ° of ＞ with the 2nd angle (θ b) formed by fan reference horizontal line (L1), 17 ° of 26 ° of ＜ of ＜ (θ b- θ 0), these three formulas of θ b >=θ a.
Description
Technical field
The present invention relates to indoor apparatus of air conditioner, more particularly to wall-mounted indoor apparatus of air conditioner.
Background technology
In the past, the indoor unit of following air conditioner was widely available (hereinafter, referred to as indoor apparatus of air conditioner)：It is arranged on room
In side wall rather than ceiling, from front, air is sucked above, and the air after air adjustment is blown out from the blow-off outlet of bottom.
The inner containment of indoor set has the heat exchanger for the heat exchange for undertaking refrigerant and air, cross flow fan.
For example, as shown in patent document 1 (Japanese Unexamined Patent Publication 2008-8500 publications), indoor apparatus of air conditioner have stabilizer and
Guider is as the part for forming air supply path afterwards.
The content of the invention
The invention problem to be solved
In nearest indoor apparatus of air conditioner, with the big footpath of cross flow fan, there is low rotation, high air quantity becomes
Gesture.And, it is desirable to the surge endurance reduced due to low rotary can be also improved when static pressure rises, on the other hand, from energy-conservation
Angle for, the requirement of low dynamics also be present.
The problem of the present invention is, there is provided has the indoor apparatus of air conditioner of surge endurance and energy saving concurrently.
Means for solving the problems
The indoor apparatus of air conditioner of the first aspect of the present invention is wall-mounted indoor apparatus of air conditioner, wherein, the indoor apparatus of air conditioner
Possess cross flow fan, shell and heat exchanger.Cross flow fan is circumferentially arranged with multiple wings, and generates air stream.Shell
The rear guider of stabilizer and rear side including face side.By the stabilizer and rear guider, shell is formed from cross-flow type
The blow out air stream of the air for the vortex shape that fan flows to blow-off outlet.Stabilizer is divided into upper and lower part across tongue.
Heat exchanger includes face side heat exchange department and rear side heat exchange department, air of the heat exchanger arrangement in cross flow fan
Flow upstream side.It is fan center's point by the pivot by cross flow fan from the longitudinal section of the indoor apparatus of air conditioner
Horizontal line is as fan reference horizontal line.In addition, from longitudinal section, using as the outer end for the multiple wings for linking cross flow fan
Circle tangent line and the straight line tangent with the bottom of stabilizer in the straight line minimum with fan reference horizontal line angulation
As vortex datum line.In addition, from longitudinal section, using fan reference horizontal line and vortex datum line angulation as base
Quasi- angle, θ 0.In addition, from longitudinal section, by the straight line for linking face side closest approach and fan center's point be the 1st straight line with
Fan reference horizontal line angulation as the 1st angle, θ a, wherein face side closest approach be stabilizer top in horizontal stroke
The immediate point of flow fan.In addition, from longitudinal section, it is by the straight line for linking rear side closest approach and fan center's point
For 2nd straight line with fan reference horizontal line angulation as the 2nd angle, θ b, wherein rear side closest approach is in rear guider
With the immediate point of cross flow fan.In the indoor apparatus of air conditioner, stabilizer, rear guider and cross flow fan are configured to this
Sample：References angle θ 0, the 1st angle, θ a and the 2nd angle, θ b as defined above meet that the 1st following angular relationship formula, the 2nd angle are closed
It is formula and the 3rd angular relationship formula,
1st angular relationship formula：(θ a- θ 0) 16 ° of ＞,
2nd angular relationship formula：17 ° of ＜ (θ b- θ 0) 26 ° of ＜ and
3rd angular relationship formula：θb≥θa.
According to the indoor apparatus of air conditioner of the present invention, stabilizer, rear guider and cross flow fan are configured to the 1st angular relationship
Formula, the 2nd angular relationship formula and the 3rd angular relationship formula be satisfied by rather than meet the 1st angular relationship formula, the 2nd angular relationship formula and
Any one in 3rd angular relationship formula.Thus, by the height and position in the face side closest approach of stabilizer is suppressed compared with
It is low, it is hindered so as to reduce the air stream flowed from the bottom of face side heat exchange department to cross flow fan, in addition, also
So-called fan suction angle can be increased in the scope within 180 °.Therefore, it is possible to produce the air stream as low loss, and
And the air flow suction inlet side reflux from cross flow fan towards blow-off outlet can be suppressed.By suppressing the backflow, surge is resistance to
Power improves.
Also, by the way that the height and position in the rear side closest approach of rear guider is controlled in appropriate scope, so as to
Enough suppress the increase of the fan power as caused by guider after excessively reducing, energy saving improves.That is, if guider after excessively reducing
Rear side closest approach height and position, then the blow out air stream of the air of vortex shape shorten, in addition, rear side is closest
The confining force in circulation whirlpool dies down caused by the cross flow fan side of point, the turbulent flow increasing on the surface of the blow out air stream of vortex shape
Greatly, fan power becomes big, but in accordance with the invention it is possible to suppresses the increase of such fan power.
The indoor apparatus of air conditioner of the second aspect of the present invention is in the indoor apparatus of air conditioner of first aspect, from longitudinal section, just
The bottom of surface side heat exchange department is located at than wind positioned at the position than fan reference horizontal line on the lower, the bottom of rear side heat exchange department
Fan the top position of reference horizontal line.Also, stabilizer, rear guider, heat exchanger and cross flow fan are configured to so：
From the longitudinal section of indoor apparatus of air conditioner, in by by the straight line of the bottom of face side heat exchange department and fan center's point with wind
Fan the maximum straight line of reference horizontal line angulation as the 3rd straight line, by formed by the 3rd straight line and fan reference horizontal line
Angle as the 3rd angle, θ c, by by the straight line of the bottom of rear side heat exchange department and fan center's point with fan reference water
The minimum straight line of horizontal line angulation as the 4th straight line, using the 4th straight line and fan reference horizontal line angulation as
During the 4th angle, θ d, meet following the 4th angular relationship formula and the 5th angular relationship formula,
4th angular relationship formula：θ c ＞ θ a
5th angular relationship formula：θ d ＜ θ b.
According to the indoor apparatus of air conditioner of second aspect, the configuration of the bottom of face side heat exchange department is in relatively low position to meet the
4 angular relationship formulas, the bottom of rear side heat exchange department configure in relatively low position to meet the 5th angular relationship formula, can increased
The capacity of heat exchanger.Also, due to meeting the 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula simultaneously, because
This, even if the bottom of face side heat exchange department and rear side heat exchange department is configured in relatively low position, is not easy to hinder therefrom
The air stream flowed to cross flow fan, there is more air in the bottom of each heat exchange department also stream, and energy saving improves.
Invention effect
Indoor apparatus of air conditioner according to the first aspect of the invention, surge endurance and energy saving improve.
Indoor apparatus of air conditioner according to the second aspect of the invention, the capacity of heat exchanger becomes big, under each heat exchange department
Also stream has more air in portion, and energy saving further improves.
Brief description of the drawings
Fig. 1 is the structure chart for the air-conditioning device being made up of air-conditioner outdoor unit and indoor apparatus of air conditioner.
Fig. 2 is for illustrating the longitudinal section of the indoor apparatus of air conditioner of the configuration of front panel, filter and heat exchanger (figure
The sectional view of the 1 II-II directions of arrow).
Fig. 3 is the longitudinal section for illustrating the indoor apparatus of air conditioner of the configuration of stabilizer and rear guider.
Fig. 4 is the chart of the relation of the improved efficiency for the configuration and fan power for showing stabilizer.
Fig. 5 is the chart of the relation of the improved efficiency for the configuration and fan power for showing rear guider.
Embodiment
Below, the indoor apparatus of air conditioner 92 of an embodiment of the invention is illustrated referring to the drawings.In addition, following
Embodiment is the specific example of the present invention, does not limit the technical scope of the present invention.
(1) structure of indoor apparatus of air conditioner
Fig. 1 is the structure chart of the air conditioner 90 for the indoor apparatus of air conditioner 92 for including an embodiment of the invention.Air conditioning chamber
Interior machine 92 is the wall-mounted indoor unit being installed on indoor wall.In addition, indoor apparatus of air conditioner 92 is through refrigerant piping 93
It is connected with the air-conditioner outdoor unit 91 configured in outdoor and forms air conditioner 90.Indoor apparatus of air conditioner 92 according to the operation of remote control etc. and
Carry out indoor cooling operation and heating operation.
As shown in Fig. 2 indoor apparatus of air conditioner 92 mainly possesses shell 10, filter 40, heat exchanger 20 and cross flow fan
30。
(1-1) shell
Shell 10 is the aggregate as the gabarit of indoor apparatus of air conditioner 92 and the part of framework, and it supports and stores filter
40th, heat exchanger 20 and cross flow fan 30 etc..
On the top of shell 10 formed with the suction inlet 10a for being taken into the air of interior.The bottom of shell 10 formed with
Blow-off outlet 10b by from the air after air adjustment to indoor submitting.Suction inlet 10a is in the pivot than cross flow fan 30
That is position high fan center's point O.More specifically, suction inlet 10a is formed at the top surface (upper surface) of shell 10, from air conditioning chamber
The space of the top of interior machine 92 sucks room air.Blow-off outlet 10b is in the position lower than fan center point O.It is more specific and
Speech, blow-off outlet 10b are formed at the face side part of the bottom surface of shell 10, air are blown to the front of indoor apparatus of air conditioner 92 and lower section
Go out.
Shell 10 includes front panel 15, stabilizer 17 and rear guider 18 shown in Fig. 2 and Fig. 3 etc..Utilize stabilizer
17 and rear guider 18 air of the shell 10 formed with the vortex shape flowed from cross flow fan 30 to blow-off outlet 10b blowout
Air flow circuit 10c.Configure than rear guider 18 by face side stabilizer 17 across the tongue 71 being made up of flexure plane and by
It is divided into top 72 and bottom 73.As shown in Fig. 3 as longitudinal section, face side closest approach P7 of the stabilizer 17 on top 72
It is closest with cross flow fan 30.The top of guider 18 is in the position higher than fan center point O afterwards, and rear guider 18 is being carried on the back
Surface side closest approach P8 and cross flow fan 30 are closest.Front panel 15 configures the face side in filter 40.
(1-2) heat exchanger and filter
Heat exchanger 20 is the heat exchanger of the fin-and-tube type with inverted v-shaped shape from longitudinal section, and it is from suction
Heat exchange is carried out between the air of the side flowing of mouth 10a lateral flow formulas fan 30 and the refrigerant flowed in pipe.Heat exchanger
Multiple pipes in the 20 multiple holes opened up by the thermofin and insertion of multiple aluminums on these thermofins are formed.As copper
The external diameter of pipe of heat-transfer pipe be 5mm or 4mm.
In addition, heat exchanger 20 includes：Positioned at the face side heat exchange department 21 that face side is leaned on than top 20a；And it is located at
Than the rear side heat exchange department 22 of top 20a backrests surface side.The bottom 21a of face side heat exchange department 21 is located at than fan described later
The positions of reference horizontal line L1 on the lower, the bottom 22a of rear side heat exchange department 22 is positioned at more top than fan reference horizontal line L1
Position.
Positioned at the air stream upstream side of cross flow fan 30, specifically positioned at the top of cross flow fan 30 and front
Heat exchanger 20 is covered by filter 40.Configure the filter 40 in the air stream upstream side of heat exchanger 20 and be located at heat exchanger
20 top and front, the dust included in the air that is flowed from suction inlet 10a heat exchangers 20 is trapped.
(1-3) cross flow fan
Cross flow fan 30 possesses：Cylindric fan propeller, it extends in the horizontal direction longlyer；And motor, it makes
Fan propeller rotates.Fan propeller has the multiple fan wings 31 circumferentially arranged, is generated by being rotated from heat exchange
The air stream of the lateral blow-off outlet 10b sides flowing of device 20.
When cross flow fan 30 rotates, air from interior is through suction inlet 10a and filter 40 and heat exchanger 20 flows
It is dynamic, flowed by the air after heat exchanger 20 to blow out air stream 10c to be blown out to interior from blow-off outlet 10b.
In addition, the rotating speed of the motor of cross flow fan 30 is changed by control device (not shown).It is built in air conditioning chamber
Control device in machine 92 changes the rotating speed of motor according to user by the operation input of remote control etc..
(2) concrete condition of the configuration of front panel, filter and heat exchanger
In the indoor apparatus of air conditioner 92 of the present invention, matching somebody with somebody for new each part for not having in conventional indoor apparatus of air conditioner is employed
Put.Below, the configuration to front panel, filter and heat exchanger specifically illustrates.
As shown in Fig. 2 from the longitudinal section of indoor apparatus of air conditioner 92, the bottom 21a of face side heat exchange department 21 and filtering
The bottom 40a of device 40 is positioned at the position than fan center point O on the lower.In other words, face side heat exchange department 21 includes being located at than wind
The bottom 21a of central point O on the lower are fanned, filter 40 is included positioned at the bottom 40a than fan center point O on the lower.
Here, each line L1, SL3, SL5, each angle, θ c, θ e and each clearance distance D1, D2, D3 is defined as below.
Fan reference horizontal line L1 is the horizontal line by fan center point O.
3rd straight line SL3 be by the bottom 21a of face side heat exchange department 21 and fan center point O straight line with fan
The maximum straight line of reference horizontal line L1 angulations.
Heat exchanger lower angular θ c are the 3rd straight line SL3 and fan reference horizontal line L1 angulations.
5th straight line SL5 be by the bottom 40a of filter 40 and fan center point O straight line with fan datum-plane
The maximum straight line of line L1 angulations.
Filter lower angular θ e are the 5th straight line SL5 and fan reference horizontal line L1 angulations.
1st distance D1 is the cross flow fan 30 and face side heat exchange department 21 at fan center point O height and position
Clearance distance.
2nd distance D2 is the gap of the face side heat exchange department 21 at fan center point O height and position and filter 40
Distance.
3rd distance D3 is the clearance distance of the filter 40 at fan center point O height and position and front panel 15.
In indoor apparatus of air conditioner 92, cross flow fan 30, heat exchanger 20, filter 40 and front panel 15 are configured to
So：Each line L1, SL3, SL5, each angle, θ c, θ e and each clearance distance D1, D2, D3 meet following the 1st as defined above
Formula, the 2nd formula and the 3rd formula,
1st formula：θ e ＞ (θ c × 0.4)
2nd formula：D3 ＞ D2 ＞ D1
3rd formula：D1 ＞ (0.3 × R)
In addition, it is from fan center from longitudinal section that the radius of the fan propeller of cross flow fan 30, which is fan radius R,
Point O to the imaginary circle (the circle 30a shown in the dotted line of reference picture 2) for linking up to obtain by the outer end of multiple fan wings 31 away from
From.
By meeting these formulas, suppress the depth size of indoor apparatus of air conditioner 92 and in face side heat exchange department 21
Bottom 21a in indoor apparatus of air conditioner 92, employs the numerical value met below these formulas also by enough air：
Heat exchanger lower angular θ c=52 °
Filter lower angular θ e=23 ° ＞ (θ c × 0.4)
Fan radius R=52mm
1st distance D1=16mm ＞ (0.3 × R)
2nd distance D2=22mm ＞ D1
3rd distance D3=27mm ＞ D2
In addition, in indoor apparatus of air conditioner 92, from longitudinal section, by it is at fan center point O height and position, in fan
The distance of heart point O and front panel 15 is 3 times that the 4th distance D4 suppressions are made smaller than fan radius R.That is, the 4th distance D4 and fan
Radius R meets the 4th following formula：
4th formula：D4 ＜ (3 × R).
Specifically, it is 143mm that front panel 15 is arranged as opposed into the 4th distance D4 relative to cross flow fan 30.Will
4th distance D4 suppresses smaller in order to avoid the depth size of indoor apparatus of air conditioner 92 is excessive, by by cross flow fan 30, heat exchange
Device 20, filter 40 and front panel 15 are configured to meet the formula of the 1st above-mentioned formula~the 3rd, so as to from the suction for being formed at top surface
The air that mouth 10a is inhaled into is sent enough amounts to the bottom 21a of face side heat exchange department 21.
(3) concrete condition of the configuration of stabilizer and rear guider
Below, the new configuration of the stabilizer 17 and rear guider 18 to not having in conventional indoor apparatus of air conditioner is carried out in detail
Explanation.
As shown in figure 3, from the longitudinal section of indoor apparatus of air conditioner 92, each line L2, SL1, SL2, SL4 and each angle is defined as below
Spend θ 0, θ a, θ b, θ c, θ d.On fan reference horizontal line L1 and the 3rd straight line SL3, as described above.
Vortex datum line L2 is cutting for the circle 30a that links up the outer end of multiple fan wings 31 of cross flow fan 30
Line, and be straight with fan reference horizontal line L1 angulations minimum in the straight line tangent with the bottom of stabilizer 17 73
Line.Here, the bottom 73 for turning into the stabilizer 17 of the upper wall of the blow out air stream 10c near blow-off outlet 10b is plane, from this
Plane support or oppose surface side extension straight line from longitudinal section from to justify 30a tangent, therefore the straight line is vortex datum line L2.
References angle θ 0 is fan reference horizontal line L1 and vortex datum line L2 angulations.
1st straight line SL1 is the straight line for linking up face side closest approach P7 and fan center point O, wherein face side
Closest approach P7 be stabilizer 17 top 72 in the immediate point of cross flow fan 30.
1st angle, θ a is the 1st straight line SL1 and fan reference horizontal line L1 angulations.
2nd straight line SL2 is the straight line for linking up rear side closest approach P8 and fan center point O, wherein rear side
Closest approach P8 be in rear guider 18 with the immediate point of cross flow fan 30.
2nd angle, θ b is the 2nd straight line SL2 and fan reference horizontal line L1 angulations.
3rd angle, θ c is above-mentioned heat exchanger lower angular θ c, is the 3rd straight line SL3 and fan reference horizontal line L1 institutes
Into angle.
4th straight line SL4 be by the bottom 22a of rear side heat exchange department 22 and fan center point O straight line with fan
The minimum straight line of reference horizontal line L1 angulations.
4th angle, θ d is the 4th straight line SL4 and fan reference horizontal line L1 angulations.
In indoor apparatus of air conditioner 92, stabilizer 17, rear guider 18, heat exchanger 20 and cross flow fan 30 are configured to
So：Each line L2, SL1, SL2, SL4 and each angle, θ 0, θ a, θ b, θ c, θ d as defined above are satisfied by the 1st following angle and closed
It is the angular relationship formula of formula~the 5th,
1st angular relationship formula：(θ a- θ 0) 16 ° of ＞
2nd angular relationship formula：17 ° of 26 ° of ＜ of ＜ (θ b- θ 0)
3rd angular relationship formula：θb≥θa
4th angular relationship formula：θ c ＞ θ a
5th angular relationship formula：θ d ＜ θ b.
By meeting these formulas, as described later, surge endurance is improved, and the increase of fan power is suppressed, but in sky
Adjust in indoor set 92, employ the values below for meeting these formulas：
References angle θ 0=28 °
1st a=48 ° of angle, θ
2nd b=51 ° of angle, θ
3rd c=52 ° of angle, θ
4th d=31 ° of angle, θ
(4) feature
(4-1)
According to the indoor apparatus of air conditioner 92 of present embodiment, stabilizer 17, rear guider 18 and cross flow fan 30 are configured
It is satisfied by into the 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula rather than meets that the 1st above-mentioned angle is closed
It is any one in formula, the 2nd angular relationship formula and the 3rd angular relationship formula.
As a result of the configuration, by the face side closest approach P7 of stabilizer 17 height and position is suppressed compared with
It is low, so as to which the air stream flowed from situation hindered from the bottom 21a of face side heat exchange department 21 to cross flow fan 30 becomes
It is few.That is, the air stream of low loss is produced from the bottom 21a of face side heat exchange department 21 to cross flow fan 30.Fig. 4 is shown into
For the basic data of the 1st angular relationship formula.In the graph in fig. 4, transverse axis is differential seat angle (θ a- θ 0), and the longitudinal axis is cross-flow type wind
The load of the motor of fan 30 is the ratio i.e. improved efficiency amount of fan power and certain defined a reference value.Experiment as a result, at angle
In the case of spending poor (θ a- θ 0) less than 16 °, improved efficiency amount is small, if more than 16 °, improved efficiency quantitative change is big.In differential seat angle
(θ a- θ 0) is that equal improved efficiency amount is big under the either case in 17 °, 20 °, 24 °, 28 °, can suppress the increase of fan power.
In addition, by the configuration used in the indoor apparatus of air conditioner 92, so-called fan can be sucked angle (the 1st straight line
SL1 and the angle of suction inlet 10a sides formed by the 2nd straight line SL2) within 180 ° in the range of increase.Here, fan suction angle
Degree is 180 ° of-θ b+ θ a=177 °, can suppress the air flow suction inlet 10a from cross flow fan 30 towards blow-off outlet 10b
Side reflux.That is, in indoor apparatus of air conditioner 92, surge endurance improves.In addition, the fan suction angle of conventional indoor apparatus of air conditioner is more
At 170 ° or so.
Also, in indoor apparatus of air conditioner 92, by by the rear side closest approach P8 of rear guider 18 height and position control
Make in appropriate scope, so as to suppress the increase of the fan power as caused by guider after excessively reducing by 18, energy saving carries
It is high.That is, if the rear side closest approach P8 of guider 18 height and position after excessively reducing, the blowout of the air of vortex shape is empty
Air-flow road 10c shortens, in addition, the confining force in circulation whirlpool dies down caused by the rear side closest approach P8 side of cross flow fan 30,
The turbulent flow increase on the blow out air stream 10c of vortex shape surface, fan power become big, but according to the above-mentioned He of rear guider 18
The configuration of cross flow fan 30, the increase of such fan power can be suppressed.Fig. 5 is shown as the 2nd angular relationship formula
The data on basis.In Fig. 5 chart, transverse axis is differential seat angle (θ b- θ 0), and the longitudinal axis is the improved efficiency amount same with Fig. 4.Examination
It is testing as a result, differential seat angle (θ b- θ 0) be less than 17 ° or more than 26 ° in the case of, improved efficiency amount is small, in 17 °
In the case of~26 ° of scope, improved efficiency quantitative change is big.Either case in differential seat angle (θ b- θ 0) is 18 °, 22 °, 25 °
Equal improved efficiency amount is big down, can suppress the increase of fan power.
As described above, in the indoor apparatus of air conditioner 92 of present embodiment, by by stabilizer 17, rear guider 18 and crossing current
Formula fan 30 is configured to the 1st angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula and is satisfied by, and it is resistance to can to take into account surge
The raising of power and the suppression of fan power increase.
(4-2)
In indoor apparatus of air conditioner 92, the bottom 21a of face side heat exchange department 21 is configured in relatively low position to meet the 4th jiao
Relational expression is spent, the bottom 22a of rear side heat exchange department 22 is configured in relatively low position to meet the 5th angular relationship formula, therefore heat
The capacity of exchanger 20 becomes big.Particularly, the 3rd angle, θ c is more than 45 °, in indoor apparatus of air conditioner 92, as a result of will just
The structure that the bottom 21a of surface side heat exchange department 21 extends downwards, therefore it is able to ensure that the appearance of heat exchanger 20 big than ever
Amount.If heat exchanger 20 big as carrying, hindered by the skew of the distribution generation part of the air stream of heat exchanger
Hinder air stream, fan power easily becomes big, but in indoor apparatus of air conditioner 92, meets the 1st as a result of whole as described above
The part configuration of angular relationship formula, the 2nd angular relationship formula and the 3rd angular relationship formula, therefore, bottom 21a from heat exchanger 20,
The air stream that 22a flows to cross flow fan 30 is not easy interrupted, has in bottom 21a, 22a stream of each heat exchange department 21,22
More air.That is, the energy saving of indoor apparatus of air conditioner 92 improves.
(4-3)
In indoor apparatus of air conditioner 92, using the structure for sucking room air from suction inlet 10a, the suction inlet 10a shapes
Cheng Yu is in the top surface of the shell 10 of the position higher than fan center point O, also, employs the bottom of face side heat exchange department 21
21a, the bottom 40a of filter 40 are respectively positioned on the structure of the position than fan center point O on the lower.Therefore, conventional set is being followed
In the case of the way of meter, the quantitative change by the bottom 21a of face side heat exchange department 21 air is few, can not be effectively using whole
Heat exchanger 20.
Therefore, in indoor apparatus of air conditioner 92, first, the bottom 40a of filter 40 is extended to downwards low than ever
Position is to meet the 1st above-mentioned formula, it is ensured that air is by the bottom 40a of the filter 40 and towards face side heat exchange department 21
Bottom 21a stream.
Also, in indoor apparatus of air conditioner 92, by cross flow fan 30, heat exchanger 20, filter 40 and front panel 15
It is configured to three clearance distances D1, D2, D3 and meets the 2nd above-mentioned formula, while suppressing the depth size of indoor apparatus of air conditioner 92, subtracts
The small gap (clearance distance is the 3rd distance D3) by filter 40 and front panel 15 is and from suction inlet 10a to filter 40
Bottom 40a and face side heat exchange department 21 bottom 21a flow away air flow circuit the pressure loss.Thereby, it is possible to fully
Ensure the amount of the air of the bottom 21a by face side heat exchange department 21, can realize that heat exchanger 20 is overall and be used effectively
Structure.
By using configuration as described above, in indoor apparatus of air conditioner 92, can not reduce excessively heat exchanger 20 with
Expand the bottom 21a's towards face side heat exchange department 21 in the case of the clearance distance (the 1st distance D1) of cross flow fan 30
The width of air flow circuit, frictional resistance (pressure loss) can be suppressed.Further, since make the 2nd distance D2 be more than the 1st distance D1,
The 3rd distance D3 is set to be more than the 2nd distance D2 to ensure that the flow path width away from cross flow fan 30 is wider, therefore, such as Fig. 2 institutes
Show, disappeared from suction inlet 10a to the space of the bottom 21a of face side heat exchange department 21 midway narrowed width, with conventional knot
Structure is compared, and fluid friction resistance is greatly decreased.
(4-4)
In indoor apparatus of air conditioner 92, the configuration for meeting each part as the 2nd formula is used to suppress depth size (Fig. 2
In left and right directions size), if excessively reducing the 1st distance D1, face side heat exchange department 21 and cross flow fan 30 away from
From too close to air during face side heat exchange department 21 by being possible to send noise.Particularly, in the heat using fin tube type
In the indoor apparatus of air conditioner 92 of the external diameter of exchanger 20 and the pipe small (5mm or 4mm), the week using Karman vortex as the fluid of representative
In the speed fluctuation of phase produce higher frequency disorderly strong variation, due to the cycle with the fan wing 31 pressure oscillation it is mutual
Effect, the possibility for producing high-frequency Discrete Dipole Approximation are high.
It is smaller in order to which the noise suppressed is obtained, in indoor apparatus of air conditioner 92, employ meet it is each as the 3rd above-mentioned formula
The configuration of part.That is, the cross flow fan 30 and face side heat exchange department 21 at height and position by making fan center point O
Clearance distance is that the 1st distance D1 turns into 30% size for exceeding fan radius R, so that by Noise measarement in allowed band.Only
Ensure the 1st distance D1 of the indoor apparatus of air conditioner 92 size, then can make to be changing into by the air stream after heat exchanger 20
Collide, can reduce and the cycle caused by the interaction of the fan wing 31 with the fan wing 31 after the broadband turbulent structure of aperiodicity
Property noise.
(4-5)
In indoor apparatus of air conditioner 92, front panel 15 is configured to meet the 4th above-mentioned formula, from fan center point O to front
The distance (the 4th distance D4) of panel 15 is smaller.Thereby, it is possible to realize to inhibit the slim indoor apparatus of air conditioner of depth size
92, but as a result of the structure for being satisfied by the formula of the 1st formula~the 3rd simultaneously, therefore, even slim can also be efficiently used heat
Exchanger 20 is overall.
Label declaration
10：Shell
10b：Blow-off outlet
10c：Blow out air stream
17：Stabilizer
18：Guider afterwards
20：Heat exchanger
21：Face side heat exchange department
21a：The bottom of face side heat exchange department
22：Rear side heat exchange department
22a：The bottom of rear side heat exchange department
30：Cross flow fan
30a：The circle that the outer end of the wing is linked up
31：The fan wing (wing)
71：The tongue of stabilizer
72：The top of stabilizer
73：The bottom of stabilizer
92：Indoor apparatus of air conditioner
L1：Fan reference horizontal line
L2：Vortex datum line
O：Fan center's point
P7：The face side closest approach of stabilizer
P8：The rear side closest approach of guider afterwards
θ0：References angle
θa：1st angle
θb：2nd angle
θc：3rd angle
θd：4th angle
SL1：1st straight line
SL2：2nd straight line
SL3：3rd straight line
SL4：4th straight line
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2008-8500 publications
Claims (2)
1. a kind of indoor apparatus of air conditioner (92), the indoor apparatus of air conditioner is wall-mounted, wherein,
Above-mentioned indoor apparatus of air conditioner possesses：
Cross flow fan (30), it is circumferentially arranged with multiple wings (31), and generates air stream；
Shell (10), it includes the stabilizer of face side (17) and the rear guider (18) of rear side, and aforementioned stable device is across tongue
Portion (71) is divided into top (72) and bottom (73), is formed using aforementioned stable device and above-mentioned rear guider from above-mentioned cross-flow type wind
Fan the blow out air stream (10c) of the air of the vortex shape flowed to blow-off outlet (10b)；And
Heat exchanger (20), it includes face side heat exchange department (21) and rear side heat exchange department (22), and above-mentioned heat exchanger is matched somebody with somebody
Put in the air stream upstream side of above-mentioned cross flow fan,
Aforementioned stable device, above-mentioned rear guider and above-mentioned cross flow fan are configured to so：
From longitudinal section,
It regard the horizontal line that the pivot by above-mentioned cross flow fan is fan center's point (O) as fan reference horizontal line
(L1),
Using as the tangent line and and aforementioned stable of the circle (30a) of the outer end for the multiple above-mentioned wings for linking above-mentioned cross flow fan
The straight line minimum with said fans reference horizontal line angulation is as vortex benchmark in the tangent straight line in the above-mentioned bottom of device
Line (L2),
Using said fans reference horizontal line and above-mentioned vortex datum line angulation as references angle θ 0,
Straight line by link face side closest approach (P7) and said fans central point is the 1st straight line (SL1) and said fans base
Quasi- horizontal line (L1) angulation is as the 1st angle, θ a, wherein above-mentioned face side closest approach (P7) is aforementioned stable device
In above-mentioned top with the immediate point of above-mentioned cross flow fan,
Straight line by link rear side closest approach (P8) and said fans central point is the 2nd straight line (SL2) and said fans base
Quasi- horizontal line (L1) angulation is as the 2nd angle, θ b, wherein above-mentioned rear side closest approach (P8) is above-mentioned rear guider
In with the immediate point of above-mentioned cross flow fan,
Now, relationship below is met：
1st angular relationship formula：(θ a- θ 0) 16 ° of ＞；
2nd angular relationship formula：17 ° of 26 ° of ＜ of ＜ (θ b- θ 0)；And
3rd angular relationship formula：θ b >=θ a,
The stabilizer (17), the rear guider (18) and the cross flow fan (30) are configured to the 1st angle and closed
It is that formula, the 2nd angular relationship formula and the 3rd angular relationship formula must are fulfilled for rather than meet that the 1st above-mentioned angle is closed
It is any one in formula, the 2nd angular relationship formula and the 3rd angular relationship formula, so as to which surge endurance improves.
2. indoor apparatus of air conditioner according to claim 1, wherein,
Aforementioned stable device, above-mentioned rear guider, above-mentioned heat exchanger and above-mentioned cross flow fan are configured to so：
From longitudinal section,
The bottom (21a) of above-mentioned face side heat exchange department is located at the position than said fans reference horizontal line (L1) on the lower,
The bottom (22a) of above-mentioned rear side heat exchange department is located at the position more top than said fans reference horizontal line (L1),
In by by the bottom of above-mentioned face side heat exchange department and the straight line of said fans central point with said fans reference water
The maximum straight line of horizontal line (L1) angulation as the 3rd straight line (SL3),
Using above-mentioned 3rd straight line and said fans reference horizontal line angulation as the 3rd angle, θ c,
By by the bottom of above-mentioned rear side heat exchange department and the straight line of said fans central point with said fans datum-plane
The minimum straight line of line angulation as the 4th straight line (SL4),
Using above-mentioned 4th straight line and said fans reference horizontal line angulation as during the 4th angle, θ d,
Meet relationship below：
4th angular relationship formula：θ c ＞ θ a；And
5th angular relationship formula：θ d ＜ θ b.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013272121A JP5862655B2 (en) | 2013-12-27 | 2013-12-27 | Air conditioning indoor unit |
| JP2013-272121 | 2013-12-27 | ||
| PCT/JP2014/083440 WO2015098657A1 (en) | 2013-12-27 | 2014-12-17 | Indoor air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105849467A CN105849467A (en) | 2016-08-10 |
| CN105849467B true CN105849467B (en) | 2017-12-01 |
Family
ID=53478521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480070842.2A Active CN105849467B (en) | 2013-12-27 | 2014-12-17 | Indoor apparatus of air conditioner |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20170003038A1 (en) |
| EP (1) | EP3088806B1 (en) |
| JP (1) | JP5862655B2 (en) |
| CN (1) | CN105849467B (en) |
| AU (1) | AU2014371321B2 (en) |
| BR (1) | BR112016014857B1 (en) |
| ES (1) | ES2667960T3 (en) |
| MY (1) | MY164382A (en) |
| WO (1) | WO2015098657A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490066B (en) * | 2017-08-25 | 2023-05-23 | 武汉凌达压缩机有限公司 | Indoor unit and air conditioning system |
| CN112204208B (en) * | 2018-06-01 | 2022-05-03 | 大金工业株式会社 | Air supply device |
| WO2020155352A1 (en) * | 2019-02-03 | 2020-08-06 | 广东美的制冷设备有限公司 | Window-type air conditioner |
| JP7244773B2 (en) * | 2021-01-22 | 2023-03-23 | ダイキン工業株式会社 | Wall-mounted air conditioning indoor units and air conditioners |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223360A (en) * | 1998-01-12 | 1999-07-21 | 三菱电机株式会社 | DC blower |
| CN1224121A (en) * | 1998-01-19 | 1999-07-28 | 三菱电机株式会社 | DC blower |
| CN1392940A (en) * | 2000-09-29 | 2003-01-22 | 三菱电机株式会社 | Air conditioner |
| CN1690538A (en) * | 2001-03-23 | 2005-11-02 | 三菱重工业株式会社 | Indoor unit and air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280288A (en) * | 2000-03-31 | 2001-10-10 | Daikin Ind Ltd | Impeller structure of multiblade blower |
| JP2002276585A (en) * | 2001-03-23 | 2002-09-25 | Mitsubishi Heavy Ind Ltd | Indoor unit and air conditioner |
| CN1282853C (en) * | 2001-03-23 | 2006-11-01 | 三菱重工业株式会社 | Indoor unit and air conditioner |
| JP4214994B2 (en) * | 2004-12-24 | 2009-01-28 | 三菱電機株式会社 | Air conditioner |
| JP2008008500A (en) | 2006-06-27 | 2008-01-17 | Matsushita Electric Ind Co Ltd | Air conditioner |
-
2013
- 2013-12-27 JP JP2013272121A patent/JP5862655B2/en active Active
-
2014
- 2014-12-17 WO PCT/JP2014/083440 patent/WO2015098657A1/en active Application Filing
- 2014-12-17 BR BR112016014857-6A patent/BR112016014857B1/en active IP Right Grant
- 2014-12-17 AU AU2014371321A patent/AU2014371321B2/en active Active
- 2014-12-17 US US15/107,436 patent/US20170003038A1/en not_active Abandoned
- 2014-12-17 CN CN201480070842.2A patent/CN105849467B/en active Active
- 2014-12-17 EP EP14874416.2A patent/EP3088806B1/en active Active
- 2014-12-17 ES ES14874416.2T patent/ES2667960T3/en active Active
- 2014-12-17 MY MYPI2016702107A patent/MY164382A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223360A (en) * | 1998-01-12 | 1999-07-21 | 三菱电机株式会社 | DC blower |
| CN1224121A (en) * | 1998-01-19 | 1999-07-28 | 三菱电机株式会社 | DC blower |
| CN1392940A (en) * | 2000-09-29 | 2003-01-22 | 三菱电机株式会社 | Air conditioner |
| CN1690538A (en) * | 2001-03-23 | 2005-11-02 | 三菱重工业株式会社 | Indoor unit and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2667960T3 (en) | 2018-05-16 |
| JP5862655B2 (en) | 2016-02-16 |
| MY164382A (en) | 2017-12-15 |
| EP3088806B1 (en) | 2018-04-18 |
| EP3088806A1 (en) | 2016-11-02 |
| BR112016014857B1 (en) | 2022-05-03 |
| AU2014371321B2 (en) | 2016-08-04 |
| EP3088806A4 (en) | 2017-03-01 |
| JP2015124985A (en) | 2015-07-06 |
| CN105849467A (en) | 2016-08-10 |
| US20170003038A1 (en) | 2017-01-05 |
| WO2015098657A1 (en) | 2015-07-02 |
| BR112016014857A2 (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10436496B2 (en) | Indoor unit for air-conditioning apparatus | |
| CN105546666B (en) | Window air conditioner | |
| CN105849467B (en) | Indoor apparatus of air conditioner | |
| CN110360665A (en) | Window air conditioner | |
| CN107076430A (en) | Air conditioner | |
| CN204404373U (en) | Indoor apparatus of air conditioner | |
| CN105864885A (en) | Air conditioning unit | |
| JP6444528B2 (en) | Axial flow fan and air conditioner having the axial flow fan | |
| JP6008993B2 (en) | Air conditioner | |
| WO2015192493A1 (en) | Indoor air-conditioning unit | |
| TW201002944A (en) | Sirocco fan and air conditioner using the same | |
| JP5230814B2 (en) | Blower and air conditioner equipped with the blower | |
| JP2006275488A (en) | Air-conditioner | |
| WO2017049465A1 (en) | Split wall-mounted air conditioner | |
| JP5506821B2 (en) | Air conditioner | |
| KR20140014409A (en) | Indoor unit of air conditioner | |
| CN106152266B (en) | Embedded type air conditioner | |
| CN105953306A (en) | Indoor Unit of Air Conditioner and Air Conditioner Including the Same | |
| CN215672882U (en) | Volute tongue assembly, centrifugal fan and air conditioner | |
| CN109708213A (en) | Wall-penetrating type air-conditioner | |
| CN209180121U (en) | A kind of wind wheel spiral case and indoor unit | |
| CN207920923U (en) | Without spiral case air-conditioning draught fan and air conditioner indoor unit | |
| CN209398633U (en) | Fan blade, blower and air conditioner | |
| JP2013127254A (en) | Blower and air conditioner including the same | |
| CN108488903A (en) | Air-conditioning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |